JavaScript Datatypes and Variables

JavaScript Datatypes and Variables - Important Points

A. function myFunc() {}

B. let myFunc = function() {};

C. const myFunc = () => {};

D. All of the above are valid

A. var myObj = {key1: "value1", key2: "value2"};

B. let myObj = {"key1": "value1", "key2": "value2"};

C. const myObj = {key1: "value1", key2: "value2"};

D. All of the above

A. var myStr = "Hello";

B. let myStr = 'World';

C. const myStr = JavaScript;

D. myStr = "Programming";

A. Undefined

B. Null

C. Object

D. None of the above

A. var myNum = 42;

B. let myNum = 3.14;

C. const myNum = -99;

D. All of the above